.30 Caliber Storage Box, M19A1 metal military box and from the US. Military. Metal box size Approx. Dimensions 11" X 4" X 7", internal lid has rubber seals to help keep the elements out of the can and are in great condition. Great for storing your ammunition, which was what the Military had used the can for storing. Ammunition Container is OD Green in color with a metal handle on top for easy carry and are considered used and may have rust on outside and possible inside due to being stored outside.